#ifndef _RCS_SEMAPHORE_H
#define _RCS_SEMAPHORE_H

#include <sys/types.h>

#ifndef rcs_sem_t_defined
typedef void rcs_sem_t;
#define rcs_sem_t_defined
#endif

#ifdef __cplusplus
extern "C" {
#endif

int rcs_sem_destroy(rcs_sem_t* sem);
rcs_sem_t* rcs_sem_open(key_t, int oflag, /* int mode, */...);
int rcs_sem_close(rcs_sem_t* sem);
int rcs_sem_unlink(const char* name);
int rcs_sem_wait(rcs_sem_t* sem, double timeout);
int rcs_sem_trywait(rcs_sem_t* sem);
int rcs_sem_flush(rcs_sem_t* sem);
int rcs_sem_post(rcs_sem_t* sem);
int rcs_sem_clear(rcs_sem_t* sem);

/* additions */
rcs_sem_t* rcs_sem_create(key_t id, int mode, int state);
#ifdef __cplusplus
}
#endif
#endif
